Home / 86,933.36-130,469.16-74,597.60

Finding the Fourth Proportional to 86,933.36, 130,469.16 and 74,597.60

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Solution

The fourth proportional to 86,933.36, 130,469.16 and 74,597.60 is: 111,955.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,933.36 : 130,469.16 = 74,597.60 : x
  2. Step 2: Convert to fraction form
    86,933.36/130,469.16 = 74,597.60/x
  3. Step 3: Cross multiply
    86,933.36x = 130,469.16 × 74,597.60
  4. Step 4: Simplify right side
    86,933.36x = 9,732,686,210.02
  5. Step 5: Solve for x
    x = 9,732,686,210.02/86,933.36
  6. Step 6: Final answer
    x = 111,955.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.